Philips Components Product specification Standard metal film resistors SFR16S/25/25H FEATURES DESCRIPTION * Low cost A homogeneous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting leads of electrolytic copper are welded to the end-caps. * Low noise * Small size (SFR16S). APPLICATIONS * General purpose resistors. type SFR16S; light-green for type SFR25 and red-brown for type SFR25H) which provides electrical, mechanical and climatic protection. The encapsulation is resistant to all cleaning solvents, in accordance with "MIL-STD-202E, method 215", and "IEC 60068-2045". The resistors are coated with a coloured lacquer (light-blue for QUICK REFERENCE DATA VALUE DESCRIPTION SFR16S Resistance range SFR25 1 to 3 M SFR25H 1 to 10 M and jumper (0 ) 5%, E24 series Resistance tolerance Temperature coefficient: R < 4.7 250 x 10-6/K 100 x 10-6/K 100 x 10-6/K 4.7 R 100 k 100 x 10-6/K 100 x 10-6/K 100 x 10-6/K 100 k < R 1 M 250 x 10-6/K 100 x 10-6/K 100 x 10-6/K 10-6/K 10-6/K 250 x 10-6/K R > 1 M Absolute maximum dissipation at Tamb = 70 C 250 x 250 x 0.5 W 0.4 W 0.5 W 170 K/W 200 K/W 150 K/W 200 V 250 V 350 V R < 68 k max. 0.1 V/V max. 0.1 V/V max. 0.1 V/V 68 k R 100 k max. 0.5 V/V max. 0.1 V/V max. 0.1 V/V Thermal resistance, Rth Maximum permissible voltage Noise: 100 k R 1 M max. 1.5 V/V max. 0.1 V/V max. 0.1 V/V R > 1 M max. 1.5 V/V max. 1.5 V/V max. 1.5 V/V Basic specifications IEC 60115-1 and 60115-2 Climatic category (IEC 60068) 55/155/56 Stability, R/R max., after: load: R 1 M 1% + 0.05 1% + 0.05 1% + 0.05 R > 1 M 1% + 0.05 1% + 0.05 2% + 0.1 1% + 0.05 1% + 0.05 1% + 0.05 climatic tests: R 1 M 1% + 0.05 1% + 0.05 soldering R > 1 M 0.25% + 0.05 0.25% + 0.05 0.25% + 0.05 short time overload 0.25% + 0.05 0.25% + 0.05 1% + 0.05 1998 Aug 28 1 2% + 0.1 Philips Components Product specification Standard metal film resistors SFR16S/25/25H ORDERING INFORMATION Table 1 Ordering code indicating resistor type and packaging ORDERING CODE 23.. ... ..... BANDOLIER IN AMMOPACK BANDOLIER ON REEL TYPE RADIAL TAPED SFR16S SFR25 SFR25 jumper(1) SFR25H STRAIGHT LEADS STRAIGHT LEADS 4000 units 1000 units 5000 units 5000 units - 22 187 73... 22 187 53... 22 187 83... 06 184 03... 22 181 53... 22 181 43... 22 181 63... - - - 22 186 16... - 22 181 90019 22 186 76... 22 186 26... Note 1. The jumper has a maximum resistance Rmax = 10 m at 5 A. Ordering code (12NC) * The resistors have a 12-digit ordering code starting with 23 * The subsequent 7 digits indicate the resistor type and packaging; see Table 1. * The remaining 3 digits indicate the resistance value: - The first 2 digits indicate the resistance value. - The last digit indicates the resistance decade in accordance with Table 2. 1998 Aug 28 Table 2 Last digit of 12NC RESISTANCE DECADE LAST DIGIT 1 to 9.76 8 10 to 97.6 9 100 to 976 1 1 to 9.76 k 2 10 to 97.6 k 3 100 to 976 k 4 1 to 9.76 M 5 10 M 6 2 ORDERING EXAMPLE The ordering code of a SFR25 resistor, value 5600 5%, taped on a bandolier of 5000 units in ammopack is: 2322 181 43562. Philips Components Product specification Standard metal film resistors SFR16S/25/25H FUNCTIONAL DESCRIPTION Product characterization Standard values of nominal resistance are taken from the E24 series for resistors with a tolerance of 5%. The values of the E24 series are in accordance with "IEC publication 60063". T amb = 40 o C 0.5 handbook, full pagewidth 70 o C P (W) 0.4 100 o C 0.3 0.2 125 o C 0.1 Tm ( oC) 22 h 00 10 0 10 0k 0h 155 o C 1k k 0 10 10 0k 1.5 2.0 1.0 0.7 1.5 1.0 0.5 0.7 0.3 0.5 0.2 0.3 0.1 % R / R for R 100 k 0.2 % R / R for R 100 k SFR16S Fig.1 Drift nomogram. 1998 Aug 28 3 MEA595 Philips Components Product specification Standard metal film resistors SFR16S/25/25H o handbook, full pagewidth 70 o C T amb = 40 C 100 P (%) o 100 C 75 50 o 125 C 25 Tm ( o C) 1k 10 0h 1M 00 10 00 2.0 1.5 2.0 1.0 0.7 1.0 0.5 0.5 0.2 % R / R for R 1 M 0.3 % R / R for R 1 M SFR25(H) Pn = 0.4 W (SFR25) or 0.5 W (SFR25H). Fig.2 Drift nomogram. 1998 Aug 28 1M 0.3 0.7 0k h 10 3.0 155 o C 4 MLB651 Philips Components Product specification Standard metal film resistors SFR16S/25/25H Limiting values LIMITING VOLTAGE(1) (V) LIMITING POWER (W) SFR16S 200 0.5 SFR25 250 0.4 SFR25H 350 0.5 TYPE Note 1. The maximum voltage that may be continuously applied to the resistor element, see "IEC publication 60115-1". The maximum permissible hot-spot temperature is 155 C. DERATING The power that the resistor can dissipate depends on the operating temperature; see Fig.3. handbook, 4 columns MLB650 100 Pmax (%Prated ) 75 50 25 R 1 M 0 40 60 70 80 100 120 140 o Tamb ( C) 155 Fig.3 Maximum dissipation (Pmax) in percentage of rated power as a function of the ambient temperature (Tamb). 1998 Aug 28 5 Philips Components Product specification Standard metal film resistors SFR16S/25/25H PULSE LOADING CAPABILITIES MEA685 - 1 3 10 handbook, full pagewidth P max (W) 10 2 10 t p /t i = 1000 500 200 100 50 20 10 5 2 1 10 -1 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 1 t i (s) SFR16S Fig.4 max) Pulse on a regular basis; maximum permissible peak pulse power ( P as a function of pulse duration (ti). MEA689 600 handbook, full pagewidth Vmax (V) 500 400 300 200 100 0 10 6 10 5 10 4 10 3 10 2 10 1 SFR16S Fig.5 1998 Aug 28 max) Pulse on a regular basis; maximum permissible peak pulse voltage ( V as a function of pulse duration (ti). 6 t i (s) 1 Philips Components Product specification Standard metal film resistors SFR16S/25/25H MLB389 10 3 handbook, full pagewidth Pmax (W) 10 2 t p /t i = 1000 500 200 100 50 20 10 10 5 1 2 10 1 10 6 10 5 10 4 10 3 10 2 10 1 1 t i (s) SFR25 Fig.6 max) Pulse on a regular basis; maximum permissible peak pulse power ( P as a function of pulse duration (ti). MEA678 600 handbook, full pagewidth V max (V) 500 400 300 200 100 0 10 6 10 5 10 4 10 3 10 2 10 1 SFR25 Fig.7 1998 Aug 28 max) Pulse on a regular basis; maximum permissible peak pulse voltage ( V as a function of pulse duration (ti). 7 t i (s) 1 Philips Components Product specification Standard metal film resistors SFR16S/25/25H MLB653 10 3 handbook, full pagewidth Pmax (W) t p /t i = 1000 500 10 2 200 100 50 20 10 10 5 2 1 10 1 10 6 10 5 10 4 10 3 10 2 10 1 1 t i (s) SFR25H Fig.8 max) Pulse on a regular basis; maximum permissible peak pulse power ( P as a function of pulse duration (ti). MLB654 1200 handbook, full pagewidth Vmax (V) 800 400 0 10 6 10 5 10 4 10 3 10 2 10 1 SFR25H Fig.9 1998 Aug 28 max) Pulse on a regular basis; maximum permissible peak pulse voltage ( V as a function of pulse duration (ti). 8 t i (s) 1 Philips Components Product specification Standard metal film resistors SFR16S/25/25H Application information MEA591 MEA592 60 handbook, halfpage handbook, halfpage 2 5 10 15 mm T (K) 100 40 T (K) 50 20 0 0 0 0.2 0.4 0.6 P (W) 0 0.8 0.2 0.4 0.6 P (W) 0.8 SFR16S SFR16S Fig.11 Temperature rise (T) at the end of the lead (soldering point) as a function of dissipated power at various lead lengths after mounting. Fig.10 Hot-spot temperature rise (T) as a function of dissipated power. MLB652 MLB388 100 40 handbook, halfpage handbook, halfpage T (K) T (K) SFR25 5 mm 80 30 10 15 60 SFR25H 20 40 10 20 0 0 0.1 0.2 0.3 0.4 0 0.5 SFR25/SFR25H 0.1 0.2 0.3 0.4 0.5 SFR25 Fig.13 Temperature rise (T) at the end of the lead (soldering point) as a function of dissipated power at various lead lengths after mounting. Fig.12 Hot-spot temperature rise (T) as a function of dissipated power. 1998 Aug 28 0 P (W) P (W) 9 Philips Components Product specification Standard metal film resistors SFR16S/25/25H MECHANICAL DATA Mass per 100 units MEA687 50 handbook, halfpage T (K) MASS (g) TYPE 40 5 mm 10 mm 15 mm 30 SFR16S 12.5 SFR25 25 Marking The nominal resistance and tolerance are marked on the resistor using four or five coloured bands in accordance with IEC publication 60062 "Colour codes for fixed resistors". 20 10 Outlines 0 0 0.2 0.4 P (W) The length of the body (L1) is measured by inserting the leads into holes of two identical gauge plates and moving these plates parallel to each other until the resistor body is clamped without deformation ("IEC publication 60294"). 0.6 SFR25H Fig.14 Temperature rise (T) at the end of the lead (soldering point) as a function of dissipated power at various lead lengths after mounting. L1 handbook, 4 columns d CCB414 D L2 For dimensions see Table 3. Fig.15 Outline. Table 3 Resistor type and relevant physical dimensions; see Fig.15 D MAX. (mm) L1 MAX. (mm) L2 MAX. (mm) d (mm) SFR16S 1.9 3.2 3.4 0.45 0.05 SFR25 2.5 6.5 7.0 0.58 0.05 SFR25H 2.5 6.5 7.0 0.58 0.05 TYPE 1998 Aug 28 10 The tests are carried out in accordance with IEC publication 68, "Recommended basic climatic and mechanical robustness testing procedure for electronic components" and under standard atmospheric conditions according to "IEC 60068-1", subclause 5.3. Table 4 Air pressure: 86 kPa to 106 kPa (860 mbar to 1060 mbar). In Table 4 the tests and requirements are listed with reference to the relevant clauses of "IEC publications 60115-1 and 60068" ; a short description of the test procedure is also given. In some instances deviations from the IEC recommendations were necessary for our method of specifying. Test procedures and requirements IEC 60068 TEST METHOD 4.16 U robustness of terminations: 4.16.2 Ua tensile all samples 11 IEC 60115-1 CLAUSE 4.16.3 Relative humidity: 45% to 75% Ub REQUIREMENTS TEST bending half number of samples torsion other half of samples PROCEDURE 0.45 mm, load 5 N; 10 s RESISTANCE RANGE SFR16S SFR25 SFR25H Philips Components Temperature: 15 C to 35 C Essentially all tests are carried out in accordance with the schedule of "IEC publication 60115-1", category 55/155/56 (rated temperature range -55 C to +155 C; damp heat, long term, 56 days). The testing also covers the requirements specified by EIA and EIAJ. Standard metal film resistors 1998 Aug 28 Unless otherwise specified the following values apply: TESTS AND REQUIREMENTS number of failures <10 x 10-6 0.58 mm, load 10 N; 10 s 0.45 mm, load 2.5 N; 4 x 90 number of failures <10 x 10-6 0.58 mm, load 5 N; 4 x 90 3 x 360 in opposite directions 4.16.4 Uc no damage R/R max.: 0.25% + 0.05 4.17 Ta solderability 2 s; 235 C; flux 600 4.18 Tb resistance to soldering heat thermal shock: 3 s; 350 C; 6 mm from body R/R max.: 0.25% + 0.05 4.19 Na rapid change of temperature 30 minutes at -55 C and 30 minutes at +155 C; 5 cycles R/R max.: 0.25% + 0.05 4.20 Eb bump 3 x 1500 bumps in 3 directions; 40 g no damage R/R max.: 0.25% + 0.05 4.22 Fc vibration frequency 10 to 500 Hz; displacement 1.5 mm or acceleration 10 g; 3 directions; total 6 hours (3 x 2 hours) no damage R/R max.: 0.25% + 0.05 good tinning; no damage Product specification SFR16S/25/25H 4.23 REQUIREMENTS TEST PROCEDURE Ba dry heat 16 hours; 155 C Db damp heat (accelerated) 1st cycle 24 hours; 55 C; 90 to 100% RH 4.23.4 Aa cold 2 hours; -55 C 4.23.5 M low air pressure 2 hours; 8.5 kPa; 15 to 35 C 4.23.6 Db damp heat (accelerated) remaining cycles 5 days; 55 C; 95 to 100% RH Ca 56 days; 40 C; 90 to 95% RH; dissipation 0.01 Pn endurance 1000 hours at 70 C; Pn or Vmax temperature coefficient between -55 C and +155 C (TC x 10-6/K) 4.7 voltage proof on insulation 400 V (RMS) (SFR16S) or 600 V (RMS) (SFR25 and SFR25H); during 1 minute; V-block method 4.12 noise "IEC publication 60195" 500 V (DC) during 1 minute; V-block method R/R max.: 1% + 0.05 R/R max.: 1% + 0.05 R/R max.: 2% + 0.1 Rins min.: 1000 M R/R max.: 1% + 0.05 R 1 M R > 1 M R/R max.: 1% + 0.05 R/R max.: 1% + 0.05 R/R max.: 2% + 0.1 R < 4.7 250 100 100 R 100 k 100 100 100 R 1 M 250 100 100 R > 1 M 250 250 250 no breakdown R < 68 k max. 0.1 V/V max. 0.1 V/V max. 0.1 V/V R 100 k max. 0.5 V/V max. 0.1 V/V max. 0.1 V/V R 1 M max. 1.5 V/V max. 0.1 V/V max. 0.1 V/V R > 1 M max. 1.5 V/V max. 1.5 V/V max. 1.5 V/V Rins min.: 1000 M Product specification insulation resistance SFR25H SFR16S/25/25H 4.6.1.1 R 1 M R > 1 M damp heat (steady state) 12 4.8.4 SFR25 Rins min.: 1000 M 4.23.3 4.25.1 SFR16S climatic sequence: 4.23.2 4.24.2 RESISTANCE RANGE Philips Components IEC 60068 TEST METHOD Standard metal film resistors 1998 Aug 28 IEC 60115-1 CLAUSE 4.13 see 2nd amendment to "IEC 60115-1", Jan. '87 REQUIREMENTS TEST PROCEDURE short time overload room temperature; P = 6.25 x Pn (SFR25) or 6.25 x 0.25 W (SFR16S); 5 s on, 45 s off (V 2 x Vmax); 10 cycles intermittent overload in accordance with "JIS-C5202 5.8" 16 x 0.16 W; 1 s on and 25 s off; 10000 200 cycles; Vmax = 600 V pulse load RESISTANCE RANGE SFR16S SFR25 R/R max.: 0.25% + 0.05 R/R max.: 0.75% + 0.05 SFR25H R/R max.: 1% + 0.05 - see Figs 4, 5, 6, 7, 8 and 9 - Philips Components IEC 60068 TEST METHOD Standard metal film resistors 1998 Aug 28 IEC 60115-1 CLAUSE 13 Product specification SFR16S/25/25H